1. DIB & DDB
http://www.codeproject.com/Articles/7443/DFB-vs-DIB
2. 内存设备描述表 (Memory DC)
http://www.codeproject.com/Articles/224754/Guide-to-Win32-Memory-DC
3. win32中的区域
http://www.codeproject.com/Articles/1944/Guide-to-WIN-Regions
4. win32中的裁剪区域
http://www.codeproject.com/Articles/2095/A-Guide-to-WIN-Clipping-Regions